@phdthesis{Wessel1998,
  author    = {Wessel, Niels},
  title     = {Komplexe Analyse nichtlinearer Ph{\"a}nomene in kardiologischen Datenreihen},
  address   = {Potsdam},
  pages     = {123 Bl.},
  year      = {1998},
  language  = {de}
}